Michelle Lee, who starred as Karen on the long-running CBS soap, has been tapped to guest star in an upcoming episode of the comedy from showrunner Claudia Lonow, The Hollywood Reporter has learned exclusively.

The casting marks a Knots Landing reunion for the writer-producer who co-starred as Diana Fairgate on the soap from 1979 to 1993 before segueing to a behind-the-scenes role on series including Accidentally on Purpose and The War at Home.

Sarah Chalke stars as Polly a recently divorced single mom who moves in with her outrageous parents, played by Elizabeth Perkins (Weeds) and Brad Garrett (Everybody Loves Raymond).

Lee will guest star as an agent to Elaine's (Perkins)life coach, while Sister Sister's Jackee Harryand Saturday Night Live alum Laraine Newman will play Elaine's friends in the episode titled "How to Help the Needy.

How to Live With Your Parentsis based on Lonow's experience living with her college-bound daughter in her parents' home for 15 years. The series premiered midseason on ABC.